Table 3.

The average levels of nutritional, dietary, and related clinical variables of study subjects according to tertile of average sodium intake

Variables	Tertile of Average Sodium Intake			P
	Low	Middle	High
Hb, g/L	106.53 ± 14.47a	107.59 ± 13.16	110.65 ± 14.76	0.10
Alb, g/L	35.45 ± 3.40a	36.11 ± 4.66	36.94 ± 4.26	0.04b
PA, mg/dl	266.32 ± 129.02c	288.40 ± 89.24	304.70 ± 87.61	0.03b
LBM, kg	32.22 ± 7.38c,d	36.11 ± 7.95c	41.36 ± 9.57	<0.001e
LBM/height2, kg/m2	12.7 ± 2.42c,d	13.64 ± 2.53c	15.06 ± 2.89	<0.001e
DPI, g/kg per d	0.75 ± 0.14c,d	0.84 ± 0.15	0.87 ± 0.16	<0.001e
DEI, kcal/kg per d	26.23 ± 3.74c,f	28.47 ± 3.67	29.33 ± 4.55	<0.001e
Total protein intake, g/d	40.26 ± 8.38c,f	47.73 ± 8.44a	51.89 ± 10.46	<0.001e
Total energy intake, kcal/d	1145.79 ± 229.35c,f	1341.19 ± 203.39c	1469.19 ± 305.27	<0.001e
Fat intake, g/d	43.17 ± 8.44c,f	52.10 ± 10.16c	58.36 ± 16.59	<0.001e
Carbohydrate intake, g/d	161.87 ± 36.81c,d	180.81 ± 33.19a	199.67 ± 54.19	<0.001e
Potassium intake, g/d	1.14 ± 0.29c,d	1.33 ± 0.27	1.37 ± 0.32	<0.001e
Fiber intake, g/d	6.19 ± 2.05c,f	7.45 ± 2.35	7.32 ± 3.24	0.001
Bicarbonate, mmol/L	25.32 ± 2.21	25.45 ± 1.77	24.99 ± 2.09	0.27
TKt/V	1.80 ± 0.43	1.85 ± 0.47	1.91 ± 0.42	0.20
Tccr, L/wk per 1.73 m2	62.89 ± 22.67	67.88 ± 30.64	68.59 ± 22.14	0.22
Residul renal function, ml/min	0.72 (0 to 1.33)	2.22 (1.34 to 3.12)	4.64 (3.13 to 18.67)	0.18

Values are mean ± SEM or median (minimum-maximum). DPI, daily protein intake; DEI, daily energy intake.

^aP < 0.05 compared between to high-tertile group.

^bP < 0.05 compared between three groups.

^cP < 0.001 compared to high-tertile group.

^dP < 0.01 compared to middle-tertile group.

^eP < 0.001 compared between three groups.

^fP < 0.001 compared to middle-tertile group.